class cat:
    def __init__(self, name="tom", color="red"):
        self.name = name
        self.color = color
    
    def show_name(self):
        print(self.name)

    def show_color(self):
        print(self.color)


c1 = cat("小猫", "白色")
c1.show_name()
c1.show_color()

c2 = cat("大猫", "黑色")
c2.show_name()
c2.show_color()
